- static void CheckCircleToCircleIntersection(Object *, Object *);//, Point *, Point *);
-// static int Intersects(Line *, Line *, double * tp = 0, double * up = 0);
-// static int Intersects(Line *, Dimension *, double * tp = 0, double * up = 0);
-// static int Intersects(Line * l, Circle * c, double * tp = 0, double * up = 0, double * vp = 0, double * wp = 0);
-// static int Intersects(Circle * c1, Circle * c2, double * tp = 0, double * up = 0, double * vp = 0, double * wp = 0, Point * p1 = 0, Point * p2 = 0);
+ static void CheckCircleToCircleIntersection(Object *, Object *);
+ static void CheckLineToCircleIntersection(Object *, Object *);